public Class DSAPublicKeySpec

Class Inheritance

extends Object
implements KeySpec

java.lang.Object
java.security.spec.DSAPublicKeySpec

All Implemented Interfaces

java.security.spec.KeySpec

Imports

java.math.BigInteger

This class specifies a DSA public key with its associated parameters.

Author: Jan Luehe
Since: 1.2
See Also: java.security.Key, java.security.KeyFactory, KeySpec, DSAPrivateKeySpec, X509EncodedKeySpec

Field Summary

Modifier and Type	Field and Description
private final BigInteger	g
private final BigInteger	p
private final BigInteger	q
private final BigInteger	y

Constructor Summary

Access	Constructor and Description
public	DSAPublicKeySpec(BigInteger the public key. y, BigInteger the prime. p, BigInteger the sub-prime. q, BigInteger the base. g) Creates a new DSAPublicKeySpec with the specified parameter values.

Method Summary

Modifier and Type	Method and Description
public BigInteger	Returns: the base `g`. getG() Returns the base `g`.
public BigInteger	Returns: the prime `p`. getP() Returns the prime `p`.
public BigInteger	Returns: the sub-prime `q`. getQ() Returns the sub-prime `q`.
public BigInteger	Returns: the public key `y`. getY() Returns the public key `y`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

g	back to summary
private final BigInteger g

p	back to summary
private final BigInteger p

q	back to summary
private final BigInteger q

y	back to summary
private final BigInteger y

Constructor Detail

DSAPublicKeySpec	back to summary
public DSAPublicKeySpec(BigInteger y, BigInteger p, BigInteger q, BigInteger g) Creates a new DSAPublicKeySpec with the specified parameter values. Parameters y:BigInteger the public key. p:BigInteger the prime. q:BigInteger the sub-prime. g:BigInteger the base.

DSAPublicKeySpec

back to summary

public DSAPublicKeySpec(BigInteger y, BigInteger p, BigInteger q, BigInteger g)

Creates a new DSAPublicKeySpec with the specified parameter values.

Parameters

y:BigInteger: the public key.
p:BigInteger: the prime.
q:BigInteger: the sub-prime.
g:BigInteger: the base.

Method Detail

getG back to summary

getG	back to summary
public BigInteger getG() Returns the base `g`. Returns:BigInteger the base `g`.

public BigInteger getG()

Returns the base g.

Returns:BigInteger: the base g.

getP back to summary

getP	back to summary
public BigInteger getP() Returns the prime `p`. Returns:BigInteger the prime `p`.

public BigInteger getP()

Returns the prime p.

Returns:BigInteger: the prime p.

getQ back to summary

getQ	back to summary
public BigInteger getQ() Returns the sub-prime `q`. Returns:BigInteger the sub-prime `q`.

public BigInteger getQ()

Returns the sub-prime q.

Returns:BigInteger: the sub-prime q.

getY back to summary

getY	back to summary
public BigInteger getY() Returns the public key `y`. Returns:BigInteger the public key `y`.

public BigInteger getY()

Returns the public key y.

Returns:BigInteger: the public key y.